A New NMO Method Based on Non-Hyperbolic Reflection Event

Yong Ge; Yu Hong Xie; Lie Li; Jiao Deng He; Tian Cai Li; Xing Yan Zhang

doi:10.4028/www.scientific.net/AMR.718-720.343

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 718-720A New NMO Method Based on Non-Hyperbolic...

A New NMO Method Based on Non-Hyperbolic Reflection Event

Abstract:

The conventional velocity analysis and normal moveout (NMO) are based on hyperbolic event, but the assumption of hyperbolic travel-time only applies to the situation where offset is less than or equal to the depth of reflecting interface. In recent years, in order to explore the new domain in deeper region, acquisition and processing about seismic data are developed rapidly. Maximum offset of acquisition has been reached or more than 8000 meters, and the coverage reached 100 times too. So the conventional hyperbolic normal moveout is not suitable for long cable acquisition. To solve the problems led by long array, this paper introduces the long array non hyperbolic NMO method, and it works well both in the model and practical data.

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Periodical:

Advanced Materials Research (Volumes 718-720)

Pages:

343-346

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.718-720.343

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Online since:

July 2013

Authors:

Yong Ge, Yu Hong Xie, Lie Li, Jiao Deng He, Tian Cai Li, Xing Yan Zhang

Keywords:

Event, Long Array, Non-Hyperbolic, Normal Moveout

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